/Engine/Source/Runtime/Engine/Public/Shader/ShaderTypes.h
namespace UE { namespace Shader { enum EValueType { Void, Float1, Float2, Float3, Float4, Double1, Double2, Double3, Double4, Int1, Int2, Int3, Int4, Bool1, Bool2, Bool3, Bool4, Numeric1, Numeric2, Numeric3, Numeric4, Float4x4, Double4x4, DoubleInverse4x4, Numeric4x4, Struct, Object, Any, Num, } } }